Signature Detail
Short Name |
VNC:OVERFLOW:NAME |
|---|---|
Severity |
Critical |
Recommended |
No |
Category |
VNC |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
VNC: Name Overflow
This protocol anomaly is a VNC server initialization message with a display name length that exceeds the user-defined maximum. The default display name maximum is 128; you can change this setting in the Sensor Settings Rulebase>Protocol Thresholds and Configuration>VNC>Display name length.
Extended Description
Detection of datagrams containing display name fields which are greater than 128 bytes may indicate a network configuration error. It could also indicate an attack.
References